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1073746668 = 22389478889
BaseRepresentation
bin100000000000000…
…0001001011101100
32202211102222112010
41000000001023230
54144334343133
6254314041220
735415460521
oct10000011354
92684388463
101073746668
11501113845
1225b719210
131415bb177
14a2867148
15643ec263
hex400012ec

1073746668 has 12 divisors (see below), whose sum is σ = 2505408920. Its totient is φ = 357915552.

The previous prime is 1073746643. The next prime is 1073746669. The reversal of 1073746668 is 8666473701.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10737466682 = 2305863814082204448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1073746669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44739433 + ... + 44739456.

Almost surely, 21073746668 is an apocalyptic number.

It is an amenable number.

1073746668 is an abundant number, since it is smaller than the sum of its proper divisors (1431662252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1073746668 is a wasteful number, since it uses less digits than its factorization.

1073746668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89478896 (or 89478894 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 1073746668 is about 32768.0739134909. The cubic root of 1073746668 is about 1024.0015398638.

The spelling of 1073746668 in words is "one billion, seventy-three million, seven hundred forty-six thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 89478889 178957778 268436667 357915556 536873334 1073746668